https://winscp.net/forum/viewtopic.php?t=6814
Create log file for domain users :: Support Forum :: WinSCP
WinSCP is a free file manager for Windows supporting FTP, SFTP, S3 and WebDAV.
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https://www.microfocus.com/documentation/open-enterprise-server/23.4/oes_implement_lx/blk917v.html
Proxy Users and Domain Services for Windows - OES 23.4: Planning and Implementation Guide